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author | Anders Bakken <anders.bakken@nokia.com> | 2009-07-27 23:51:51 (GMT) |
---|---|---|
committer | Anders Bakken <anders.bakken@nokia.com> | 2009-07-28 01:47:41 (GMT) |
commit | 3f6adc4a8071257c3a7211343b7591a1c32d73bd (patch) | |
tree | 083458ccce82332628ae6df95d82e6fef795553e /src | |
parent | 54cff1f39d04730ecbb6f2500711c27f3e99465c (diff) | |
download | Qt-3f6adc4a8071257c3a7211343b7591a1c32d73bd.zip Qt-3f6adc4a8071257c3a7211343b7591a1c32d73bd.tar.gz Qt-3f6adc4a8071257c3a7211343b7591a1c32d73bd.tar.bz2 |
Major clipping patch in QDirectFBPaintEngine
Handle region clips by iterating over the rectangles and updating clips
accordingly.
Reviewed-by: Noam Rosenthal <noam.rosenthal@nokia.com>
Diffstat (limited to 'src')
-rw-r--r-- | src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp | 166 |
1 files changed, 91 insertions, 75 deletions
diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp index 67aa516..68d4b04 100644 --- a/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp +++ b/src/plugins/gfxdrivers/directfb/qdirectfbpaintengine.cpp @@ -70,6 +70,14 @@ public: PorterDuff_SupportedPrimitives = 0x2 }; + enum ClipType { + ClipUnset, + NoClip, + RectClip, + RegionClip, + ComplexClip + }; + QDirectFBPaintEnginePrivate(QDirectFBPaintEngine *p); ~QDirectFBPaintEnginePrivate(); @@ -83,9 +91,6 @@ public: inline void lock(); inline void unlock(); - inline bool dfbCanHandleClip(const QRect &rect) const; - inline bool dfbCanHandleClip(const QRectF &rect) const; - inline bool dfbCanHandleClip() const; inline bool isSimpleBrush(const QBrush &brush) const; void drawTiledPixmap(const QRectF &dest, const QPixmap &pixmap, const QPointF &pos); @@ -110,14 +115,11 @@ private: uint transformationType; // this is QTransform::type() + Matrix_NegativeScale if qMin(transform.m11(), transform.m22()) < 0 SurfaceCache *surfaceCache; - IDirectFB *fb; - quint8 opacity; bool dirtyClip; - bool dfbHandledClip; - bool ignoreSystemClip; + ClipType clipType; QDirectFBPaintDevice *dfbDevice; uint compositionModeStatus; @@ -170,7 +172,7 @@ enum PaintOperation { template <typename device, typename T1, typename T2, typename T3> static void rasterFallbackWarn(const char *msg, const char *func, const device *dev, uint transformationType, bool simplePen, - bool dfbHandledClip, uint compositionModeStatus, + uint clipType, uint compositionModeStatus, const char *nameOne, const T1 &one, const char *nameTwo, const T2 &two, const char *nameThree, const T3 &three); @@ -183,7 +185,7 @@ static void rasterFallbackWarn(const char *msg, const char *func, const device * __FUNCTION__, state()->painter->device(), \ d_func()->transformationType, \ d_func()->simplePen, \ - d_func()->dfbCanHandleClip(), \ + d_func()->clipType, \ d_func()->compositionModeStatus, \ #one, one, #two, two, #three, three); \ if (op & (QT_DIRECTFB_DISABLE_RASTERFALLBACKS)) \ @@ -199,14 +201,13 @@ static void rasterFallbackWarn(const char *msg, const char *func, const device * __FUNCTION__, state()->painter->device(), \ d_func()->transformationType, \ d_func()->simplePen, \ - d_func()->dfbCanHandleClip(), \ + d_func()->clipType, \ d_func()->compositionModeStatus, \ #one, one, #two, two, #three, three); #else #define RASTERFALLBACK(op, one, two, three) #endif - template <class T> static inline void drawLines(const T *lines, int n, const QTransform &transform, IDirectFBSurface *surface); template <class T> @@ -214,6 +215,36 @@ static inline void fillRects(const T *rects, int n, const QTransform &transform, template <class T> static inline void drawRects(const T *rects, int n, const QTransform &transform, IDirectFBSurface *surface); +#define CLIPPED_PAINT(operation) { \ + DFBRegion clipRegion; \ + switch (d->clipType) { \ + case QDirectFBPaintEnginePrivate::NoClip: \ + case QDirectFBPaintEnginePrivate::RectClip: \ + operation; \ + break; \ + case QDirectFBPaintEnginePrivate::RegionClip: { \ + Q_ASSERT(d->clip()); \ + const QVector<QRect> cr = d->clip()->clipRegion.rects(); \ + const int size = cr.size(); \ + for (int i=0; i<size; ++i) { \ + d->currentClip = cr.at(i); \ + clipRegion.x1 = d->currentClip.x(); \ + clipRegion.y1 = d->currentClip.y(); \ + clipRegion.x2 = d->currentClip.right(); \ + clipRegion.y2 = d->currentClip.bottom(); \ + d->surface->SetClip(d->surface, &clipRegion); \ + operation; \ + } \ + d->dirtyClip = true; \ + break; } \ + case QDirectFBPaintEnginePrivate::ComplexClip: \ + case QDirectFBPaintEnginePrivate::ClipUnset: \ + qFatal("CLIPPED_PAINT internal error %d", d->clipType); \ + break; \ + } \ + } + + QDirectFBPaintEngine::QDirectFBPaintEngine(QPaintDevice *device) : QRasterPaintEngine(*(new QDirectFBPaintEnginePrivate(this)), device) { @@ -245,7 +276,6 @@ bool QDirectFBPaintEngine::begin(QPaintDevice *device) d->prepare(d->dfbDevice); d->setCompositionMode(state()->composition_mode); - return QRasterPaintEngine::begin(device); } @@ -335,58 +365,60 @@ void QDirectFBPaintEngine::clip(const QRect &rect, Qt::ClipOperation op) void QDirectFBPaintEngine::drawRects(const QRect *rects, int rectCount) { Q_D(QDirectFBPaintEngine); - d->updateClip(); + const QPen &pen = state()->pen; const QBrush &brush = state()->brush; + if (brush == Qt::NoBrush && pen == Qt::NoPen) + return; + + d->updateClip(); if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedPrimitives) || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_RectsUnsupported) || !d->simplePen - || !d->dfbCanHandleClip() + || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip || !d->isSimpleBrush(brush)) { RASTERFALLBACK(DRAW_RECTS, rectCount, VOID_ARG(), VOID_ARG()); d->lock(); QRasterPaintEngine::drawRects(rects, rectCount); return; } - d->unlock(); - if (brush != Qt::NoBrush) { d->setDFBColor(brush.color()); - ::fillRects<QRect>(rects, rectCount, state()->matrix, d->surface); + CLIPPED_PAINT(::fillRects<QRect>(rects, rectCount, state()->matrix, d->surface)); } - const QPen &pen = state()->pen; if (pen != Qt::NoPen) { d->setDFBColor(pen.color()); - ::drawRects<QRect>(rects, rectCount, state()->matrix, d->surface); + CLIPPED_PAINT(::drawRects<QRect>(rects, rectCount, state()->matrix, d->surface)); } } void QDirectFBPaintEngine::drawRects(const QRectF *rects, int rectCount) { Q_D(QDirectFBPaintEngine); - d->updateClip(); + const QPen &pen = state()->pen; const QBrush &brush = state()->brush; + if (brush == Qt::NoBrush && pen == Qt::NoPen) + return; + + d->updateClip(); if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedPrimitives) || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_RectsUnsupported) || !d->simplePen - || !d->dfbCanHandleClip() + || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip || !d->isSimpleBrush(brush)) { RASTERFALLBACK(DRAW_RECTS, rectCount, VOID_ARG(), VOID_ARG()); d->lock(); QRasterPaintEngine::drawRects(rects, rectCount); return; } - d->unlock(); - if (brush != Qt::NoBrush) { d->setDFBColor(brush.color()); - ::fillRects<QRectF>(rects, rectCount, state()->matrix, d->surface); + CLIPPED_PAINT(::fillRects<QRectF>(rects, rectCount, state()->matrix, d->surface)); } - const QPen &pen = state()->pen; if (pen != Qt::NoPen) { d->setDFBColor(pen.color()); - ::drawRects<QRectF>(rects, rectCount, state()->matrix, d->surface); + CLIPPED_PAINT(::drawRects<QRectF>(rects, rectCount, state()->matrix, d->surface)); } } @@ -394,9 +426,10 @@ void QDirectFBPaintEngine::drawLines(const QLine *lines, int lineCount) { Q_D(QDirectFBPaintEngine); d->updateClip(); + if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedPrimitives) || !d->simplePen - || !d->dfbCanHandleClip()) { + || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip) { RASTERFALLBACK(DRAW_LINES, lineCount, VOID_ARG(), VOID_ARG()); d->lock(); QRasterPaintEngine::drawLines(lines, lineCount); @@ -407,7 +440,7 @@ void QDirectFBPaintEngine::drawLines(const QLine *lines, int lineCount) if (pen != Qt::NoPen) { d->unlock(); d->setDFBColor(pen.color()); - ::drawLines<QLine>(lines, lineCount, state()->matrix, d->surface); + CLIPPED_PAINT(::drawLines<QLine>(lines, lineCount, state()->matrix, d->surface)); } } @@ -415,9 +448,10 @@ void QDirectFBPaintEngine::drawLines(const QLineF *lines, int lineCount) { Q_D(QDirectFBPaintEngine); d->updateClip(); + if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedPrimitives) || !d->simplePen - || !d->dfbCanHandleClip()) { + || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip) { RASTERFALLBACK(DRAW_LINES, lineCount, VOID_ARG(), VOID_ARG()); d->lock(); QRasterPaintEngine::drawLines(lines, lineCount); @@ -428,7 +462,7 @@ void QDirectFBPaintEngine::drawLines(const QLineF *lines, int lineCount) if (pen != Qt::NoPen) { d->unlock(); d->setDFBColor(pen.color()); - ::drawLines<QLineF>(lines, lineCount, state()->matrix, d->surface); + CLIPPED_PAINT(::drawLines<QLineF>(lines, lineCount, state()->matrix, d->surface)); } } @@ -460,7 +494,7 @@ void QDirectFBPaintEngine::drawImage(const QRectF &r, const QImage &image, #if !defined QT_NO_DIRECTFB_PREALLOCATED || defined QT_DIRECTFB_IMAGECACHE if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedBlits) || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported) - || !d->dfbCanHandleClip(r) + || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip #ifndef QT_DIRECTFB_IMAGECACHE || QDirectFBScreen::getSurfacePixelFormat(image.format()) == DSPF_UNKNOWN #elif defined QT_NO_DIRECTFB_PREALLOCATED @@ -479,7 +513,7 @@ void QDirectFBPaintEngine::drawImage(const QRectF &r, const QImage &image, bool release; IDirectFBSurface *imgSurface = d->getSurface(image, &release); d->prepareForBlit(QDirectFBScreen::hasAlpha(imgSurface)); - d->blit(r, imgSurface, sr); + CLIPPED_PAINT(d->blit(r, imgSurface, sr)); if (release) { #if (Q_DIRECTFB_VERSION >= 0x010000) d->surface->ReleaseSource(d->surface); @@ -498,15 +532,15 @@ void QDirectFBPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pixmap, const QRectF &sr) { Q_D(QDirectFBPaintEngine); - d->updateClip(); + d->updateClip(); if (pixmap.pixmapData()->classId() != QPixmapData::DirectFBClass) { RASTERFALLBACK(DRAW_PIXMAP, r, pixmap.size(), sr); d->lock(); QRasterPaintEngine::drawPixmap(r, pixmap, sr); } else if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedBlits) || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported) - || !d->dfbCanHandleClip(r)) { + || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip) { RASTERFALLBACK(DRAW_PIXMAP, r, pixmap.size(), sr); const QImage *img = static_cast<QDirectFBPixmapData*>(pixmap.pixmapData())->buffer(DSLF_READ); d->lock(); @@ -519,7 +553,8 @@ void QDirectFBPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pixmap, QDirectFBPixmapData *dfbData = static_cast<QDirectFBPixmapData*>(data); dfbData->unlockDirectFB(); IDirectFBSurface *s = dfbData->directFBSurface(); - d->blit(r, s, sr); + + CLIPPED_PAINT(d->blit(r, s, sr)); } } @@ -540,7 +575,7 @@ void QDirectFBPaintEngine::drawTiledPixmap(const QRectF &r, QRasterPaintEngine::drawTiledPixmap(r, pixmap, offset); } else if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedBlits) || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported) - || !d->dfbCanHandleClip(r)) { + || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip) { RASTERFALLBACK(DRAW_TILED_PIXMAP, r, pixmap.size(), offset); const QImage *img = static_cast<QDirectFBPixmapData*>(pixmap.pixmapData())->buffer(DSLF_READ); d->lock(); @@ -639,7 +674,7 @@ void QDirectFBPaintEngine::fillRect(const QRectF &rect, const QBrush &brush) if (brush.style() == Qt::NoBrush) return; d->updateClip(); - if (d->dfbCanHandleClip(rect)) { + if (d->clipType != QDirectFBPaintEnginePrivate::ComplexClip) { switch (brush.style()) { case Qt::SolidPattern: { if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedPrimitives) @@ -652,9 +687,9 @@ void QDirectFBPaintEngine::fillRect(const QRectF &rect, const QBrush &brush) d->unlock(); d->setDFBColor(color); const QRect r = state()->matrix.mapRect(rect).toRect(); - d->surface->FillRectangle(d->surface, r.x(), r.y(), - r.width(), r.height()); + CLIPPED_PAINT(d->surface->FillRectangle(d->surface, r.x(), r.y(), r.width(), r.height())); return; } + case Qt::TexturePattern: { if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedBlits) || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_BlitsUnsupported)) { @@ -666,7 +701,7 @@ void QDirectFBPaintEngine::fillRect(const QRectF &rect, const QBrush &brush) break; d->unlock(); - d->drawTiledPixmap(rect, texture, rect.topLeft() - state()->brushOrigin); + CLIPPED_PAINT(d->drawTiledPixmap(rect, texture, rect.topLeft() - state()->brushOrigin)); return; } default: break; @@ -685,7 +720,7 @@ void QDirectFBPaintEngine::fillRect(const QRectF &rect, const QColor &color) d->updateClip(); if (!(d->compositionModeStatus & QDirectFBPaintEnginePrivate::PorterDuff_SupportedPrimitives) || (d->transformationType & QDirectFBPaintEnginePrivate::Matrix_RectsUnsupported) - || !d->dfbCanHandleClip()) { + || d->clipType == QDirectFBPaintEnginePrivate::ComplexClip) { RASTERFALLBACK(FILL_RECT, rect, color, VOID_ARG()); d->lock(); QRasterPaintEngine::fillRect(rect, color); @@ -732,11 +767,10 @@ void QDirectFBPaintEngine::initImageCache(int size) QDirectFBPaintEnginePrivate::QDirectFBPaintEnginePrivate(QDirectFBPaintEngine *p) : surface(0), antialiased(false), simplePen(false), transformationType(0), opacity(255), dirtyClip(true), - dfbHandledClip(false), dfbDevice(0), + clipType(ClipUnset), dfbDevice(0), compositionModeStatus(0), q(p) { fb = QDirectFBScreen::instance()->dfb(); - ignoreSystemClip = QDirectFBScreen::instance()->directFBFlags() & QDirectFBScreen::IgnoreSystemClip; surfaceCache = new SurfaceCache; } @@ -745,23 +779,6 @@ QDirectFBPaintEnginePrivate::~QDirectFBPaintEnginePrivate() delete surfaceCache; } -bool QDirectFBPaintEnginePrivate::dfbCanHandleClip(const QRect &) const -{ - // TODO: Check to see if DirectFB can handle the clip for the given rect - return dfbHandledClip; -} - -bool QDirectFBPaintEnginePrivate::dfbCanHandleClip(const QRectF &) const -{ - // TODO: Check to see if DirectFB can handle the clip for the given rect - return dfbHandledClip; -} - -bool QDirectFBPaintEnginePrivate::dfbCanHandleClip() const -{ - return dfbHandledClip; -} - bool QDirectFBPaintEnginePrivate::isSimpleBrush(const QBrush &brush) const { return (brush.style() == Qt::NoBrush) || (brush.style() == Qt::SolidPattern && !antialiased); @@ -974,8 +991,8 @@ void QDirectFBPaintEnginePrivate::drawTiledPixmap(const QRectF &dest, const QPix const DFBRegion clip = { newClip.x(), newClip.y(), - newClip.x() + newClip.width() - 1, - newClip.y() + newClip.height() - 1 + newClip.right(), + newClip.bottom() }; surface->SetClip(surface, &clip); @@ -1044,8 +1061,8 @@ void QDirectFBPaintEnginePrivate::drawTiledPixmap(const QRectF &dest, const QPix const DFBRegion clip = { currentClip.x(), currentClip.y(), - currentClip.x() + currentClip.width(), - currentClip.y() + currentClip.height() + currentClip.right(), + currentClip.bottom() }; surface->SetClip(surface, &clip); } @@ -1060,22 +1077,22 @@ void QDirectFBPaintEnginePrivate::updateClip() const QClipData *clipData = clip(); if (!clipData || !clipData->enabled) { surface->SetClip(surface, NULL); - dfbHandledClip = true; + clipType = NoClip; } else if (clipData->hasRectClip) { const DFBRegion r = { clipData->clipRect.x(), clipData->clipRect.y(), - clipData->clipRect.x() + clipData->clipRect.width(), - clipData->clipRect.y() + clipData->clipRect.height() + clipData->clipRect.right(), + clipData->clipRect.bottom() }; surface->SetClip(surface, &r); currentClip = clipData->clipRect.normalized(); // ### is this guaranteed to always be normalized? - dfbHandledClip = true; - } else if (clipData->hasRegionClip && ignoreSystemClip && clipData->clipRegion == systemClip) { - dfbHandledClip = true; + clipType = RectClip; + } else if (clipData->hasRegionClip) { + clipType = RegionClip; } else { - dfbHandledClip = false; + clipType = ComplexClip; } dirtyClip = false; @@ -1172,7 +1189,7 @@ template <> inline const bool* ptr<bool>(const bool &) { return 0; } template <typename device, typename T1, typename T2, typename T3> static void rasterFallbackWarn(const char *msg, const char *func, const device *dev, uint transformationType, bool simplePen, - bool dfbHandledClip, uint compositionModeStatus, + uint clipType, uint compositionModeStatus, const char *nameOne, const T1 &one, const char *nameTwo, const T2 &two, const char *nameThree, const T3 &three) @@ -1188,7 +1205,7 @@ static void rasterFallbackWarn(const char *msg, const char *func, const device * dbg << QString("transformationType 0x%1").arg(transformationType, 3, 16, QLatin1Char('0')) << "simplePen" << simplePen - << "dfbHandledClip" << dfbHandledClip + << "clipType" << clipType << "compositionModeStatus" << compositionModeStatus; const T1 *t1 = ptr(one); @@ -1206,7 +1223,6 @@ static void rasterFallbackWarn(const char *msg, const char *func, const device * } qWarning("%s", qPrintable(out)); } -#endif - +#endif // QT_DIRECTFB_WARN_ON_RASTERFALLBACKS #endif // QT_NO_DIRECTFB |